package com.zzxy.spring12.factory;

import com.zzxy.spring12.aspect.MyAspect;
import com.zzxy.spring12.service.IStudentService;
import com.zzxy.spring12.service.impl.StudentServiceIml;

import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;

public class MyBeanFactory {
    public static IStudentService createStudentService(){
        //1,target classs
        StudentServiceIml studentService = new StudentServiceIml();
        //2.advice
        MyAspect myAspect = new MyAspect();
        //3.weaving
        IStudentService studentServiceProxy = (IStudentService) Proxy.newProxyInstance(MyBeanFactory.class.getClassLoader(), studentService.getClass().getInterfaces(), new InvocationHandler() {
            @Override
            public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
                myAspect.before();
                Object obj = method.invoke(studentService,args);
                myAspect.after();
                return obj;
            }
        });
        return  studentServiceProxy;
    }
}
